Martian Meteorite Found in Sahara Is 4.1 Billion Years Old
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A rare meteorite from Mars has been found in the Sahara Desert. The 800-gram pink rock was discovered in 2022.
NASA-funded researchers have now confirmed that the rock is 4.1 billion years old. This makes it one of the oldest Martian rocks ever studied.
The meteorite has been named Teghaza 001, after the area where it was found in the desert.
Scientists believe the rock was thrown off the surface of Mars long ago. This likely happened after a large impact, such as an asteroid hitting the planet.
After leaving Mars, the rock travelled through space for a long time. Eventually, it landed on Earth, in the Sahara.
Researchers used scientific methods to measure the rock's age. These methods look at tiny changes inside the minerals of the rock over time.
The age of the meteorite suggests it formed during an early period in Mars' history. This period is important for understanding how the planet developed.
NASA often supports research into meteorites because they offer clues about other planets without needing a spacecraft to visit them.
Scientists hope that studying rocks like Teghaza 001 will help them understand what conditions were like on Mars billions of years ago.
The discovery adds to a small but valuable collection of Martian meteorites found on Earth. Each one gives scientists more information about our neighboring planet.
Vocabulary4 words
- meteorite
- a rock from space that falls to Earth
- asteroid
- a large rock that moves through space
- minerals
- natural solid materials that make up rocks
- clues
- pieces of information that help solve a question
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Quiz
Answer key
1. It is 4.1 billion years old 2. Teghaza 001 3. To learn about Mars without sending a spacecraft
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Fill-in-the-blank listening
Play the audio again and fill in the missing words as you listen.
A rare _____ from Mars has been found in the Sahara Desert. The 800-gram pink rock was discovered in 2022.
NASA-funded researchers have now confirmed that the rock is _____ billion years old.
The meteorite has been named _____ 001, after the area where it was found.
Scientists believe the rock was thrown off the surface of Mars after a large _____, such as an asteroid hitting the planet.
After leaving Mars, the rock _____ through space for a long time before landing on Earth.
Researchers used scientific methods to measure the rock's _____.
These methods look at tiny changes inside the _____ of the rock over time.
NASA often supports research into meteorites because they offer _____ about other planets.
The discovery adds to a small but valuable _____ of Martian meteorites found on Earth.
Discussion questions
- Why do you think scientists are interested in rocks from other planets?
- What challenges might researchers face when studying very old meteorites?
- How do discoveries like this help us understand the history of our solar system?
- Would you like to see or touch a real meteorite? Why or why not?
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